| Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 |
---|---|---|---|---|---|---|
Number of participants (n = 39) | 10 | 9 | 5 | 5 | 5 | 5 |
Sex | ||||||
 Male | 3 (30%) | 2 (22%) | 2 (40%) | 3 (60%) | 2 (40%) | 5 (100%) |
 Female | 7 (70%) | 7 (78%) | 3 (60%) | 2 (40%) | 3 (60%) | 0 (0%) |
Age, years | 21.5 (1.8) | 21.1 (2.6) | 22.4 (1.6) | 20.1 (1.3) | 20.4 (2.5) | 22.6 (3.1) |
Body mass index, kg/m2 | 21.8 (2.3) | 21.4 (1.7) | 22.0 (3.1) | 20.6 (2.0) | 24.8 (3.3) | 23.2 (1.7) |
P. falciparum strain | ||||||
 Immunization | NF54 | NF54 | NF54 | Uninfected | Uninfected | Uninfected |
 Challenge | NF135.C10 | NF166.C8 | NF54 | NF135.C10 | NF166.C8 | NF54 |